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Need Accurate DVH’s…..
• Various metrics calculated from DVH
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Calculation of biological indices
• Used to correlate local control
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Clinical Trial outcome analysis
• Used to report dose homogeneity
• IMRT Optimisation (Dose Volume Constraints)
• Used to correlate with morbidity for OAR’s
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Clinical decisions are based on these
Utrecht 2016
• Used to develop dose constraints for prospective treatment
planning
• Move from passing rates to DVH based QA metrics?